# parse cmd line args
args = commandArgs(trailingOnly=TRUE);
src = args[1];
dst = args[2];
yname = args[3];
ids = as.vector(strsplit(args[4], ","))[[1]];
#ids = as.vector(sapply(strsplit(args[3], ","), as.numeric));

# read data
data = read.table(src, colClasses="double")

# setup output
format = substr(dst, nchar(dst)-3, nchar(dst));
if (format == ".pdf" || format == "pdf~") {
   pdf(file = dst)
}

# plot data
nids = length(ids);
xrange = range(data[1]);
yrange = range(data[2:(1+nids)]);


colors = rainbow(nids, start=0, end=0.1);
linetype = c(1:nids);

plot(xrange, yrange, type="n", xlab="time [s]", ylab=yname);
for (i in 1:nids) {
    lines(as.vector(data[[1]]), as.vector(data[[1+i]]), lty=linetype[i], col=colors[i]);
}
if (nids > 1) {
   legend(x="topleft", legend=ids, lty=linetype, col=colors);
}